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*The following content is generated by AI and is for reference only.
Overview
Cellulose Acetate Phthalate (CAP) is a synthetic polymer derived from cellulose via acetylation and phthaloylation. It serves as a pH-dependent enteric coating agent, insoluble in gastric fluid but soluble at intestinal pH levels above 6.0. Molecular formula: CxHyOz(C8H4O4)n; CAS No.: 9004-21-5.
Application
- Pharmaceuticals: Enteric coating for tablets to protect acid-labile drugs and reduce gastric irritation.
- Food Industry: Edible film coating for confectionery and capsules to control release profiles.
- Packaging: Barrier coatings for moisture-sensitive industrial goods.
Precautions
Store in cool, dry conditions away from direct sunlight. Avoid inhalation of dust; wear appropriate PPE during handling. Not recommended for use in patients with specific hypersensitivity to phthalates or acetate derivatives.